X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 4.7
Temperature 298.0
Details mother liquor consisting of 0.08 M sodium acetate trihydrate, 0.16 M ammonium sulfate, 9% (w/v) PEG4000, and 19% (v/v) glycerol. Hanging drops contained 2 uL protein solution and 1 uL mother liquor, pH 4.7, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 79.41 α = 90
b = 88.73 β = 90
c = 94.74 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 315 -- 2011-01-30
Diffraction Radiation
Monochromator Protocol
MIRROR SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ALS BEAMLINE 8.2.1 -- ALS 8.2.1

Data Collection

Overall
Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) R Sym I (Observed) Net I Over Average Sigma (I) Redundancy Number Reflections (All) Number Reflections (Observed) Observed Criterion Sigma (F) Observed Criterion Sigma (I) B (Isotropic) From Wilson Plot
1.62 50 94.5 0.071 0.071 -- 3.0 -- 79895 -- 1.0 18.4
High Resolution Shell
Resolution (High) Resolution (Low) Percent Possible (All) R Merge I (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All)
1.62 1.65 99.0 0.477 0.477 2.04 3.0 --

Refinement

Statistics
Structure Solution Method Refinement High Resolution Refinement Low Resolution Cut-off Sigma (I) Cut-off Sigma (F) Number of Reflections (All) Number of Reflections (Observed) Number of Reflections (R-Free) Percent Reflections (Observed) R-Factor (All) R-Factor (Observed) R-Work R-Free R-Free Selection Details
MOLECULAR REPLACEMENT 1.62 29.98 -- 0.0 84496 79895 4196 98.2 -- 0.179 0.178 0.205 RANDOM
High Resolution Shell
Refinement method Shell Resolution (High) Shell Resolution (Low) # of Reflections (Observed) # of Reflections (R-Free) # of Reflections (R-Work) R-Factor (R-Work) R-Factor (R-Free) R-Factor (R-Free Error) Percent Reflections (Observed)
X Ray Diffraction 1.62 1.66 -- 310 5549 0.232 0.27 -- 99.02
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 21.47
Anisotropic B[1][1] 0.0
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 0.0
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.0
RMS Deviations
Key Refinement Restraint Deviation
r_gen_planes_refined 0.011
r_chiral_restr 0.145
r_dihedral_angle_4_deg 7.279
r_dihedral_angle_3_deg 12.691
r_dihedral_angle_2_deg 34.024
r_dihedral_angle_1_deg 6.697
r_angle_refined_deg 2.38
r_bond_refined_d 0.018
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3641
Nucleic Acid Atoms 0
Heterogen Atoms 90
Solvent Atoms 350

Software

Computing
Computing Package Purpose
HKL-2000 Data Reduction (intensity integration)
HKL-2000 Data Reduction (data scaling)
PHASER Structure Solution
REFMAC 5.6.0117 Structure Refinement
Software
Software Name Purpose
REFMAC version: 5.6.0117 refinement
Phaser model building
HKL-2000 data collection